выполнить. EXERCISE 14. Try to enrich your vocabulary:
a) find words in the text which have the same meanings as the following words:
to contain,to believe,the means,to study ,to get,a kind,to talk,data, various,to be responsible for,a diploma,to want ,to continue
b) find words in the text whose meanings are opposite to the meanings of the following words:
informal, narrow,bad, different,the beginning,old,to give up,small, before

1) You shouldn't speak loudly at the lesson. - Ты не должен громко разговаривать на уроке.

2) You shouldn't run round the desks during the break. - Ты не должен бегать вокруг парт во время перемены.

3) You shouldn't be late at your lessons. - Ты не должен опаздывать на уроки.

4) You should drink much jiuce. - Ты должен пить много сока.

5) You should wear warm clothes in winter. - Ты должен носить теплую одежду зимой.

6) You shouldn't speak to a stranger. - Ты не должен разговаривать с незнакомцем.

7) You shouldn't орen the door for people you don't know. - Ты не должен открывать двери людям, которых ты не знаешь.

8) You should cross the street when the green traffic light is. - Ты должен переходить улицу на зеленый свет.

1) My friend told me about a new film he had seen a week before.                                                 2)How many languages does your cousin speak? My teacher asked me yesterday.                      

3)Sorry, i can^t  understand what you have just told me.                                                                4)Tomorrow our teachers will tell us the marks for the test.                                                          5)She said she had no time for that.                                                                                                     6)My little brother asked  me so many questions yesterday.